>> anything to do with the troops, the environment, and just what their plan would be to help improve the status of the united states. >> troops obviously defense very important here. a question to jim. what are you looking to hear tonight? >> i'm looking for concise viewpoints to distinguish between the candidates, that's mainly what i'm searching for. >> concise and distinguishing, not always easy, but two people here will try to do that tonight. we'll be back and explain a little bit more when i see you in a few minutes. >> thank you very much. we also measured the reaction of undecided voters during the first obama-romney debate. these colored lines show us how they responded. the green line represents men. the yellow line women. tonight we'll tally the ups and downs just as we did last week. and mitt romney had the most high points that night, seven, compared to four for president obama. there were fewer low points. one for each candidate. clearly romney had an advantage with our focus group of up decided voters from colorado. he was widely considered to be the winner of the deba